{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77604",
    "entityType": "User",
    "nonce": "0x9884ad2a6737e59e420f3e088f40e782302313a0aaf33eb07d3c2e1e63240092",
    "signature": "0xe84cf696e164d0ae78a7baf9f74062136e07b9e65c1c1f06823bf6dffe5c809b622caa45f0d4f3c3f49e7bc45c3b4a1fd2035167790250c859afc4f5f247ee431b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}